<template>
	<view class="preview" v-if="currentInfo">
		<swiper circular :current="currentIndex" @change="swiperChange">
			<swiper-item v-for="(item,index) in classList" :key="item._id">
				<image v-if="readImgs.includes(index)" @click="maskChange" :src="item.picurl" mode="aspectFill"></image>
			</swiper-item>
		</swiper>
		<view class="mask" v-if="maskState">
			<view class="goBack" @click="goBack"
			:style="{top:getStatusBarHeight() + 'px'}">
				<uni-icons type="back" color="#fff" size="20"></uni-icons>
			</view>
			<view class="count">{{currentIndex+1}} / {{classList.length}}</view>
			<view class="time">
				<uni-dateformat :date="new Date()" format='hh:mm'></uni-dateformat>
			</view>
			<view class="date">
				<uni-dateformat :date="new Date()" format='MM月dd日'></uni-dateformat>
			</view>
			<view class="footer">
				<view @click="clickInfo" class="box">
					<uni-icons type="info" size="28"></uni-icons>
					<view class="text">信息</view>
				</view>
				<view @click="clickScore" class="box" >
					<uni-icons type="star" size="28"></uni-icons>
					<view class="text">{{currentInfo.score}}分</view>
				</view>
				<view class="box" @click="clickDownload">
					<uni-icons type="download" size="23"></uni-icons>
					<view class="text">下载</view>
				</view>
			</view>
		</view>
		<uni-popup ref="infoPopup" type="bottom">
			<view class="infoPopup">
				<view class="popHeader">
					<view></view>
					<view class="title">壁纸信息</view>
					<view class="close" @click="clickInfoClose">
						<uni-icons type="closeempty" size="18"
						color="#999"></uni-icons>
					</view>
				</view>
				<scroll-view scroll-y>
					<view class="content">
						<view class="row">
							<view class="label">壁纸ID：</view>
							<text user-select class="value">{{currentInfo._id}}</text>
						</view>
						
<!-- 						<view class="row">
							<view class="label">分类：</view>
							<text class="value class">明星美女</text>
						</view> -->
						
						<view class="row">
							<view class="label">发布者：</view>
							<text class="value">{{currentInfo.nickname}}</text>
						</view>
						
						<view class="row">
							<text class="label">评分：</text>
							<view class='value roteBox'>
								<uni-rate readonly touchable :value="currentInfo.score" size="16"/>
								<text class="score">{{currentInfo.score}}分</text>
							</view>
						</view>
						
						<view class="row">
							<text class="label">摘要：</text>
							<view class='value'>
								{{currentInfo.description}}
							</view>
						</view>
						
						<view class="row">
							<text class="label">标签：</text>
							<view class='value tabs'>
								<view class="tab" v-for="item in currentInfo.tabs" :key="item">{{item}}</view>
							</view>
						</view>	
											
						<view class="copyright">声明：本图片来用户投稿，非商业使用，用于免费学习交流，如侵犯了您的权益，您可以拷贝壁纸ID举报至平台，邮箱513894357@qq.com，管理将删除侵权壁纸，维护您的权益。
						
						</view>
						<view class="safe-area-inset-bottom"></view>
					</view>
				</scroll-view>
			</view>
		</uni-popup>
		<uni-popup ref="scorePopup" :is-mask-click="false" :animation="false">
			<view class="scorePopup">
				<view class="popHeader">
					<view></view>
					<view class="title">{{ isScore ? '已评分过了~' : '壁纸评分'}}</view>
					<view class="close" @click="clickScoreClose">
						<uni-icons type="closeempty" size="18"
						color="#999"></uni-icons>
					</view>
				</view>
				<view class="content">
					<uni-rate v-model="userScore" allowHalf 
					:disabled="isScore" disabled-color="#FFCA3E"/>
					<text class="text">{{userScore}}分</text>
				</view>
				<view class="footer">
					<button @click="submitScore" :disabled="!userScore || isScore" type="default" size="mini" plain>确认评分</button>
				</view>
			</view>
		</uni-popup>
	</view>
</template>

<script setup>
import { ref } from 'vue';
import { getStatusBarHeight } from '@/utils/system.js'
import { onLoad, onShareAppMessage, onShareTimeline } from '@dcloudio/uni-app'
import { apiSetUpScore,apiWriteDownload,apiDetailWall } from '@/api/apis.js'

const maskState = ref(true);
const infoPopup = ref(null);
const scorePopup = ref(null);
const userScore = ref(0);
const currentId = ref(null);
const classList = ref([]);
const currentIndex = ref(0);
const currentInfo = ref(null);
const isScore = ref(false);
const readImgs = ref([]);

//获取缓存数据
const storageClassList = uni.getStorageSync("storageClassList") || [];
classList.value = storageClassList.map(item=>{
	return{
		...item,
		picurl:item.smallPicurl.replace('_small.webp','.jpg')
	}
})

onLoad(async(e)=>{
	currentId.value = e.id;
	if(e.type == "share"){
		let res = await apiDetailWall({id:currentId.value});
		classList.value = res.data.map(item=>{
			return{
				...item,
				picurl:item.smallPicurl.replace('_small.webp','.jpg')
			}
		});
	}
	currentIndex.value = classList.value.findIndex(item=>item._id == currentId.value);
	currentInfo.value = classList.value[currentIndex.value]
	readImgsFun();
});

function readImgsFun(){
	readImgs.value.push(
		currentIndex.value<=0 ? classList.value.length-1 : currentIndex.value-1,
		currentIndex.value,
		currentIndex.value>=classList.value.length-1 ? 0 : currentIndex.value+1
	);
	readImgs.value = [...new Set(readImgs.value)]
}

const swiperChange = (e)=>{
	currentIndex.value = e.detail.current;
	currentInfo.value = classList.value[currentIndex.value]
	readImgsFun();
}

//打开、关闭遮罩层
const maskChange = () => {
	maskState.value = !maskState.value
};

//点击info弹窗
const clickInfo = () => {
	infoPopup.value.open();
} 
//点击关闭info弹窗
const clickInfoClose = ()=>{
	infoPopup.value.close();
}

//点击score弹窗
const clickScore = () => {
	if(currentInfo.value.userScore){
		isScore.value = true;
		userScore.value = currentInfo.value.userScore;
	}
	scorePopup.value.open();
} 
//点击关闭score弹窗
const clickScoreClose = ()=>{
	scorePopup.value.close();
	userScore.value = 0;
	isScore.value = false;		
}

//提交评分
const submitScore = async()=>{
	uni.showLoading({
		title:"加载中..."
	});
	let {classid, _id:wallId} = currentInfo.value
	let res = await apiSetUpScore({
		classid,
		wallId,
		userScore:userScore.value,
	});
	uni.hideLoading();
	if(res.errCode === 0){
		uni.showToast({
			title:"评分成功!",
			icon:"none"
		});
		classList.value[currentIndex.value].userScore = userScore.value;
		uni.setStorageSync("storageClassList",classList.value)
		clickScoreClose();
	}
	
}

//返回上一页
const goBack = ()=>{
	uni.navigateBack({
		success:()=>{
			
		},
		fail: (err) => {
			uni.reLaunch({
				url:"/pages/index/index"
			})
		}
	})
}

//点击下载
const clickDownload = async()=>{
	// #ifdef H5
	uni.showModal({
		content:"请长按保存壁纸",
		showCancel:false
	})
	// #endif
	
	// #ifndef H5
	try{
		uni.showLoading({
			title:"下载中...",
			mask:true
		})
		
		let {classid, _id:wallId} = currentInfo.value
		let res = await apiWriteDownload({
			classid,
			wallId,
		});	
		if(res.errCode != 0) throw res;
		uni.getImageInfo({
			src:currentInfo.value.picurl,
			success: (res) => {
				uni.saveImageToPhotosAlbum({
					filePath:res.path,
					success:(res)=>{
						console.log(res);
					},
					fail:err=>{
						if(err.errMsg === "saveImageToPhotosAlbum:fail cancel"){
							uni.showToast({
								title:"保存失败，请重新点击下载",
								icon:"none"
							});
							return;
						}
						uni.showModal({
							title:"提示",
							content:"需要授权保存相册",
							success:res=>{
								if(res.confirm){
									console.log("确认授权了");
									uni.openSetting({
										success(setting) {
											if(setting.authSetting["scope.writePhotosAlbum"]){
												uni.showToast({
													title:"获取授权成功",
													icon:"none"
												})
											}else{
												uni.showToast({
													title:"获取授权失败",
													icon:"none"
												})
											}
										}
									})
								}
							}
						})
					},
					complete:()=>{
						uni.hideLoading();
					}
				})
			}
		});
	}catch(err){
		console.log(err);
		uni.hideLoading();
	}
	
	// #endif

}

//分享给好友
onShareAppMessage(e=>{
	return {
		title:"咸虾米壁纸-",
		path:"pages/preview/preview?id="+ currentId.value+ "&type=share"
	}
})

//分享到朋友圈
onShareTimeline(e=>{
	return {
		title:"咸虾米壁纸-",
		query:"id="+ currentId.value + "&type=share"
	}
})
</script>

<style lang="scss" scoped>
.preview{
	width: 100%;
	height: 100vh;
	position: relative;
	swiper{
		width: 100%;
		height: 100vh;
		image{
			width: 100%;
			height: 100vh;
		}	
	}
	.mask{
		&>view{
			position: absolute;
			left: 0;
			right: 0;
			margin: auto;						
			width: fit-content;
			color: #fff;									
		}
		.goBack{
			width: 38px;
			height: 38px;
			background: rgba(0, 0, 0, 0.5);
			left: 30rpx;
			margin-left: 0;
			border-radius: 100rpx;
			top: 0;
			backdrop-filter: blur(10rpx);
			border: 1rpx solid rgba(255, 255, 255, 0.3);
			display: flex;
			align-items: center;
			justify-content: center;
		};
		.count{
			top: 10vh;
			background: rgba(0, 0, 0, 0.3);
			font-size: 28rpx;
			border-radius: 40rpx;
			padding:8rpx 28rpx;
			backdrop-filter: blur(10rpx);
		};
		.time{
			font-size: 140rpx;
			top: calc(10vh + 80rpx);
			font-weight: 100;
			line-height: 1em;
			text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
		};
		.date{
			font-size: 34rpx;
			top: calc(10vh + 230rpx);
			text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
		};
		.footer{
			background: rgba(255, 255, 255, 0.8);
			bottom: 10vh;
			width: 65vw;
			height: 120rpx;
			border-radius: 120rpx;
			color: #000;
			display: flex;
			justify-content: space-around;
			align-items: center;
			box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
			backdrop-filter: blur(10rpx);
			.box{
				display: flex;
				flex-direction: column;
				justify-content: center;
				align-items: center;
				padding: 2rpx 12rpx;
				.text{
					font-size: 26rpx;
					color: $text-font-color-2;
				}
			}

		};
	}
	.popHeader{
		display: flex;
		justify-content: space-between;
		align-items: center;
		.title{
			color: $text-font-color-2;
			font-size: 26rpx;
		}
		.close{
			padding: 6rpx;
		}
	}
	.infoPopup{
		background: #fff;
		padding: 30rpx;
		border-radius: 30rpx 30rpx 0 0;
		overflow: hidden;
		scroll-view{
			max-height: 60vh;
			.content{
				.row{
					display: flex;
					padding: 16rpx 0;
					font-size: 32rpx;
					line-height: 1.7em;
					.label{
						color: $text-font-color-3;
						width: 140rpx;
						text-align: right;
						font-size: 30rpx;
					}
					.value{
						flex: 1;
						width: 0;
					}
					.roteBox{
						display: flex;
						align-items: center;
						.score{
							font-size: 26rpx;
							color: $text-font-color-2;
							padding-left: 10rpx;
						}
					}
					.tabs{
						display: flex;
						flex-wrap: wrap;
						.tab{
							border: 1px solid $brand-theme-color;
							color: $brand-theme-color;
							font-size: 22rpx;
							padding: 10rpx 30rpx;
							border-radius: 40rpx;
							line-height: 1em;
							margin: 0 10rpx 10rpx 0;
						}
					}
					.class{
						color: $brand-theme-color;
					}
				}
				.copyright{
					font-size: 28rpx;
					padding: 20rpx;
					background:#F6F6F6;
					color: #666;
					border-radius: 10rpx;
					margin: 20rpx 0;
					line-height: 1.6em;
				}
			}
		}
	}
	.scorePopup{
		background: #fff;
		padding: 30rpx;
		width: 70vw;
		border-radius: 30rpx;
		.content{
			padding: 30rpx 0;
			display: flex;
			justify-content: center;
			align-items: center;
			.text{
				color: #FFCA3E;
				padding-left: 10rpx;
				width: 80rpx;
				line-height: 1em;
				text-align: right;
			}
		}
		.footer{
			padding: 10rpx 0;
			display: flex;
			align-items: center;
			justify-content: center;
		}
	}
}
</style>
